<?php

/*
|--------------------------------------------------------------------------
| Create The Application
|--------------------------------------------------------------------------
|
| The first thing we will do is create a new Laravel application instance
| which serves as the "glue" for all the components of Laravel, and is
| the IoC container for the system binding all of the various parts.
|
*/

//var_dump(dirname(__DIR__));  //D:\phpstudy_pro\WWW\channel_dist
//var_dump($_ENV['APP_BASE_PATH']);exit();   //NULL
$app = new Illuminate\Foundation\Application(
    //这里用三元运算符判断$_ENV数组里面是否存在APP_BASE_PATH这个值
    //__DIR__，指向当前执行的PHP脚本所在的目录   D:\phpstudy_pro\WWW\channel_dist\bootstarp
    //dirname   输出当前文件目录  比如  __DIR__为   C:/testweb/a.php   dirname(__DIR__)只会输出 C:/testweb
    $_ENV['APP_BASE_PATH'] ?? dirname(__DIR__)  //走后者
);

/*
|--------------------------------------------------------------------------
| Bind Important Interfaces
|--------------------------------------------------------------------------
|
| Next, we need to bind some important interfaces into the container so
| we will be able to resolve them when needed. The kernels serve the
| incoming requests to this application from both the web and CLI.
|
*/

$app->singleton(
    Illuminate\Contracts\Http\Kernel::class,
    App\Http\Kernel::class
);

$app->singleton(
    Illuminate\Contracts\Console\Kernel::class,
    App\Console\Kernel::class
);

$app->singleton(
    Illuminate\Contracts\Debug\ExceptionHandler::class,
    App\Exceptions\Handler::class
);

/*
|--------------------------------------------------------------------------
| Return The Application
|--------------------------------------------------------------------------
|
| This script returns the application instance. The instance is given to
| the calling script so we can separate the building of the instances
| from the actual running of the application and sending responses.
|
*/

return $app;
